Examples with ResponseBuilder org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder used on opensource projects

Example 1 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class RowResource method increment.

/**
 * Validates the input request parameters, parses columns from CellSetModel,
 * and invokes Increment on HTable.
 *
 * @param model instance of CellSetModel
 * @return Response 200 OK, 304 Not modified, 400 Bad request
 */
Response increment(final CellSetModel model) {
    Table table = null;
    Increment increment = null;
    try {
        table = servlet.getTable(tableResource.getName());
        if (model.getRows().size() != 1) {
            servlet.getMetrics().incrementFailedIncrementRequests(1);
            return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Number of rows specified is not 1." + CRLF).build();
        }
        RowModel rowModel = model.getRows().get(0);
        byte[] key = rowModel.getKey();
        if (key == null) {
            key = rowspec.getRow();
        }
        if (key == null) {
            servlet.getMetrics().incrementFailedIncrementRequests(1);
            return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Row key found to be null." + CRLF).build();
        }
        increment = new Increment(key);
        increment.setReturnResults(returnResult);
        int i = 0;
        for (CellModel cell : rowModel.getCells()) {
            byte[] col = cell.getColumn();
            if (col == null) {
                try {
                    col = rowspec.getColumns()[i++];
                } catch (ArrayIndexOutOfBoundsException e) {
                    col = null;
                }
            }
            if (col == null) {
                servlet.getMetrics().incrementFailedIncrementRequests(1);
                return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column found to be null." + CRLF).build();
            }
            byte[][] parts = CellUtil.parseColumn(col);
            if (parts.length != 2) {
                servlet.getMetrics().incrementFailedIncrementRequests(1);
                return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column incorrectly specified." + CRLF).build();
            }
            increment.addColumn(parts[0], parts[1], Long.parseLong(Bytes.toStringBinary(cell.getValue())));
        }
        if (LOG.isDebugEnabled()) {
            LOG.debug("INCREMENT " + increment.toString());
        }
        Result result = table.increment(increment);
        if (returnResult) {
            if (result.isEmpty()) {
                servlet.getMetrics().incrementFailedIncrementRequests(1);
                return Response.status(Response.Status.NOT_MODIFIED).type(MIMETYPE_TEXT).entity("Increment return empty." + CRLF).build();
            }
            CellSetModel rModel = new CellSetModel();
            RowModel rRowModel = new RowModel(result.getRow());
            for (Cell cell : result.listCells()) {
                rRowModel.addCell(new CellModel(CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell), cell.getTimestamp(), CellUtil.cloneValue(cell)));
            }
            rModel.addRow(rowModel);
            servlet.getMetrics().incrementSucessfulIncrementRequests(1);
            return Response.ok(rModel).build();
        }
        ResponseBuilder response = Response.ok();
        servlet.getMetrics().incrementSucessfulIncrementRequests(1);
        return response.build();
    } catch (Exception e) {
        servlet.getMetrics().incrementFailedIncrementRequests(1);
        return processException(e);
    } finally {
        if (table != null)
            try {
                table.close();
            } catch (IOException ioe) {
                LOG.debug("Exception received while closing the table " + table.getName(), ioe);
            }
    }
}

Example 2 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class RowResource method checkAndDelete.

/**
 * Validates the input request parameters, parses columns from CellSetModel,
 * and invokes checkAndDelete on HTable.
 *
 * @param model instance of CellSetModel
 * @return Response 200 OK, 304 Not modified, 400 Bad request
 */
Response checkAndDelete(final CellSetModel model) {
    Table table = null;
    Delete delete = null;
    try {
        table = servlet.getTable(tableResource.getName());
        if (model.getRows().size() != 1) {
            servlet.getMetrics().incrementFailedDeleteRequests(1);
            return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Number of rows specified is not 1." + CRLF).build();
        }
        RowModel rowModel = model.getRows().get(0);
        byte[] key = rowModel.getKey();
        if (key == null) {
            key = rowspec.getRow();
        }
        if (key == null) {
            servlet.getMetrics().incrementFailedDeleteRequests(1);
            return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Row key found to be null." + CRLF).build();
        }
        List<CellModel> cellModels = rowModel.getCells();
        int cellModelCount = cellModels.size();
        delete = new Delete(key);
        boolean retValue;
        CellModel valueToDeleteCell = rowModel.getCells().get(cellModelCount - 1);
        byte[] valueToDeleteColumn = valueToDeleteCell.getColumn();
        if (valueToDeleteColumn == null) {
            try {
                valueToDeleteColumn = rowspec.getColumns()[0];
            } catch (final ArrayIndexOutOfBoundsException e) {
                servlet.getMetrics().incrementFailedDeleteRequests(1);
                return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column not specified for check." + CRLF).build();
            }
        }
        byte[][] parts;
        // Copy all the cells to the Delete request if extra cells are sent
        if (cellModelCount > 1) {
            for (int i = 0, n = cellModelCount - 1; i < n; i++) {
                CellModel cell = cellModels.get(i);
                byte[] col = cell.getColumn();
                if (col == null) {
                    servlet.getMetrics().incrementFailedPutRequests(1);
                    return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column found to be null." + CRLF).build();
                }
                parts = CellUtil.parseColumn(col);
                if (parts.length == 1) {
                    // Only Column Family is specified
                    delete.addFamily(parts[0], cell.getTimestamp());
                } else if (parts.length == 2) {
                    delete.addColumn(parts[0], parts[1], cell.getTimestamp());
                } else {
                    servlet.getMetrics().incrementFailedDeleteRequests(1);
                    return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column to delete incorrectly specified." + CRLF).build();
                }
            }
        }
        parts = CellUtil.parseColumn(valueToDeleteColumn);
        if (parts.length == 2) {
            if (parts[1].length != 0) {
                // if that is the only cell passed to the rest api
                if (cellModelCount == 1) {
                    delete.addColumns(parts[0], parts[1]);
                }
                retValue = table.checkAndMutate(key, parts[0]).qualifier(parts[1]).ifEquals(valueToDeleteCell.getValue()).thenDelete(delete);
            } else {
                // The case of empty qualifier.
                if (cellModelCount == 1) {
                    delete.addColumns(parts[0], Bytes.toBytes(StringUtils.EMPTY));
                }
                retValue = table.checkAndMutate(key, parts[0]).ifEquals(valueToDeleteCell.getValue()).thenDelete(delete);
            }
        } else {
            servlet.getMetrics().incrementFailedDeleteRequests(1);
            return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT).entity("Bad request: Column to check incorrectly specified." + CRLF).build();
        }
        if (LOG.isTraceEnabled()) {
            LOG.trace("CHECK-AND-DELETE " + delete.toString() + ", returns " + retValue);
        }
        if (!retValue) {
            servlet.getMetrics().incrementFailedDeleteRequests(1);
            return Response.status(Response.Status.NOT_MODIFIED).type(MIMETYPE_TEXT).entity(" Delete check failed." + CRLF).build();
        }
        ResponseBuilder response = Response.ok();
        servlet.getMetrics().incrementSucessfulDeleteRequests(1);
        return response.build();
    } catch (Exception e) {
        servlet.getMetrics().incrementFailedDeleteRequests(1);
        return processException(e);
    } finally {
        if (table != null)
            try {
                table.close();
            } catch (IOException ioe) {
                LOG.debug("Exception received while closing the table", ioe);
            }
    }
}

Example 3 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class RegionsResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        TableName tableName = TableName.valueOf(tableResource.getName());
        if (!tableResource.exists()) {
            throw new TableNotFoundException(tableName);
        }
        TableInfoModel model = new TableInfoModel(tableName.getNameAsString());
        List<HRegionLocation> locs;
        try (Connection connection = ConnectionFactory.createConnection(servlet.getConfiguration());
            RegionLocator locator = connection.getRegionLocator(tableName)) {
            locs = locator.getAllRegionLocations();
        }
        for (HRegionLocation loc : locs) {
            RegionInfo hri = loc.getRegion();
            ServerName addr = loc.getServerName();
            model.add(new TableRegionModel(tableName.getNameAsString(), hri.getRegionId(), hri.getStartKey(), hri.getEndKey(), addr.getAddress().toString()));
        }
        ResponseBuilder response = Response.ok(model);
        response.cacheControl(cacheControl);
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (TableNotFoundException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
    } catch (IOException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.SERVICE_UNAVAILABLE).type(MIMETYPE_TEXT).entity("Unavailable" + CRLF).build();
    }
}

Example 4 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class TableScanResource method getProtobuf.

@GET
@Produces({ Constants.MIMETYPE_PROTOBUF, Constants.MIMETYPE_PROTOBUF_IETF })
public Response getProtobuf(@Context final UriInfo uriInfo, @HeaderParam("Accept") final String contentType) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath() + " as " + MIMETYPE_BINARY);
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        int fetchSize = this.servlet.getConfiguration().getInt(Constants.SCAN_FETCH_SIZE, 10);
        StreamingOutput stream = new ProtobufStreamingOutput(this.results, contentType, userRequestedLimit, fetchSize);
        servlet.getMetrics().incrementSucessfulScanRequests(1);
        ResponseBuilder response = Response.ok(stream);
        response.header("content-type", contentType);
        return response.build();
    } catch (Exception exp) {
        servlet.getMetrics().incrementFailedScanRequests(1);
        processException(exp);
        LOG.warn(exp.toString(), exp);
        return null;
    }
}

Example 5 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class ExistsResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF, MIMETYPE_BINARY })
public Response get(@Context final UriInfo uriInfo) {
    try {
        if (!tableResource.exists()) {
            return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
        }
    } catch (IOException e) {
        return Response.status(Response.Status.SERVICE_UNAVAILABLE).type(MIMETYPE_TEXT).entity("Unavailable" + CRLF).build();
    }
    ResponseBuilder response = Response.ok();
    response.cacheControl(cacheControl);
    return response.build();
}